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Comparison home Cinema Systems

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Onkyo HT-S5805
Onkyo HT-S5805
from $900.00 up to $972.00
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Acoustic system
Acoustics
5.1
shelf
Front (RMS)100 W/channel
Rear (RMS)100 W/channel
Centre (RMS)100 W/channel
Subwoofer (RMS)80 W/channel
Total power (RMS)580 W
Frequency range27 – 50000 Hz
Sensitivity86 dB
Impedance6 Ohm
Bass reflex
Active subwoofer
Amplifier
Number of channels5.1.2
Front100 W/channel
Rear100 W/channel
Centre100 W/channel
Amplifier frequency range10 – 10000 Hz
Receiver
3D
Multimedia
FM tuner
Bluetooth
Audio decoders
DTS
DTS-HD Master Audio
Dolby Digital
Dolby Digital Plus
Dolby TrueHD
Dolby Atmos
Connection
Outputs
headphone output
HDMI1 pc
Inputs
S-Video
linear
optical
HDMI4 pcs
General
Remote control
Player dimensions (WxHxD)435x160x328 mm
Front speaker dimensions (HxWxD)46.7x15.5x18.3 cm
Rear speaker dimensions (HxWxD)23x11.5x9.6 cm
Centre channel dimensions (HxWxD)11.5x41x12.1 cm
Subwoofer dimensions (HxWxD)42.5x23x41 cm
Color
Added to E-Catalognovember 2015

Front (RMS)

Rated output of one front channel of a home theater system. This paragraph indicates the power of the complete front speaker, however, it can also be used to determine the characteristics of the built-in amplifier — its rated power on a particular channel (not necessarily the front one), usually, slightly exceeds the power of the corresponding speaker.

Rated power in this case is the highest average (root mean square, RMS) sound power that the speaker is capable of delivering for an unlimited time, working without failures and overloads. Individual signal jumps can be stronger, but the power of acoustics is determined precisely by RMS.

The higher this indicator(regardless of whether we are talking about front or some other speakers) — the louder the speakers, the better they are suitable for large rooms. At the same time, in a small room, too high power may be unnecessary, because. operating the speaker at full volume will cause discomfort — despite the fact that powerful acoustics also have the appropriate dimensions, weight and price. More detailed recommendations on the optimal power of the speaker components, depending on the characteristics of the situation, can be found in special sources.

Rear (RMS)

Rated output of one home theater rear channel. For more information about the meaning of this parameter, see "Front" above.

Centre (RMS)

Rated power of one centre channel of a home theater. For more information about the meaning of this parameter, see "Front" above.

Subwoofer (RMS)

Rated power of the subwoofer supplied with the home theater. See "Front" above for details on power rating; here we note that subwoofers often have a fairly high power, because. they are designed to cover low frequencies in all audio channels.

Total power (RMS)

The total power rating of all home theater speakers, including subwoofers. The value of the rated power is described in detail in paragraph "Front" above.

Frequency range

The range of audio frequencies reproduced by a home theater speaker system. The wider the range — the richer the sound, the less likely it is that the acoustics will “cut off” part of the low or high frequencies. When evaluating this indicator, one should proceed from the fact that the range perceived by the average human ear is from 16 Hz to 20 kHz. However, modern home cinemas for the most part cover this range completely or almost completely.

Sensitivity

The sensitivity value determines the volume of the speaker system when an external signal of a certain power is applied to it. With the same signal strength and resistance (impedance), more sensitive acoustics provide greater volume.

Impedance

Home theater speaker system AC impedance. Impedance matters when connected to an amplifier: if the impedance of the speaker system is less than that of the amplifier, distortion in sound is possible, if it is higher, the acoustics may sound quieter than we would like. Naturally, in the original home theater sets, the speakers and amplifier are selected with the optimal impedance ratio, so in fact you only have to pay attention to this parameter when you need to connect acoustics to a “non-native” amplifier.

Bass reflex

The phase inverter is a tube installed in the column housing and having an outlet to the surrounding space. Most often, this feature is found in subwoofers, although it can also be used in main acoustics. The length of the tube is chosen so that a signal comes out of the outlet, inverted in phase relative to the signal from the front of the diffuser. This increases the sound pressure and improves the sound of the speakers, however, it can create certain side effects (in particular, associated with the hum of the air flow in the bass reflex pipe). Therefore, the presence or absence of this function is not a clear advantage — it all depends on the preferences of the listener and the design features of a particular speaker.
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